Facebook report shows backers of US political ads

Facebook on Tuesday released the first of what it promised will be routine reports showing who is behind US political ads seen at the social network or its Instagram service.

Facebook's election 'war room' takes aim at fake information

In an otherwise innocuous part of Facebook's expansive Silicon Valley campus, a locked door bears a taped-on sign that reads "War Room." Behind the door lies a nerve center the social network has set up to combat fake accounts ...